Staxly

GrowthBook vs Upstash

Open-source feature flags + experimentation — Warehouse Native
vs. Serverless Redis + Kafka + Vector + QStash — per-request pricing

GrowthBook websiteUpstash website

Pricing tiers

GrowthBook

Open Source (Self-Host)
MIT-licensed. Unlimited everything. Community support.
$0 base (usage-based)
Cloud — Starter (Free)
Up to 3 users. Unlimited flags + experiments. Warehouse Native included.
Free
Cloud — Pro
$40/user/month. Up to 50 users. Advanced stats, visual A/B editor, CUPED, sequential testing, bandits.
$40/mo
Cloud — Enterprise
Custom. Unlimited users, SSO/SAML, approval flows, data pipelines, exportable audit logs.
Custom
Self-Host Enterprise
Open Source + Enterprise license. Visual A/B editor, advanced metrics, SSO/SAML, approvals, training.
Custom
GrowthBook website

Upstash

Free
Redis: 256 MB + 500k cmds/mo. Vector: 10k queries/mo. QStash: 500 msgs/day.
Free
Pay-as-you-go
Redis: $0.2 per 100k cmds. Vector: $0.4/M queries. QStash: $1 per 100k.
$0 base (usage-based)
Fixed Plans
From $10/mo. 250MB-500GB Redis. $5/read region. 50GB bandwidth included.
$10/mo
Prod Pack
+$200/mo per DB. SLA + RBAC + encryption + SOC-2 + Prometheus + Datadog.
$200/mo
Enterprise
Custom. 100k+ cmd/sec, unlimited bandwidth, HIPAA.
Custom
Upstash website

Free-tier quotas head-to-head

Comparing oss on GrowthBook vs free on Upstash.

MetricGrowthBookUpstash
No overlapping quota metrics for these tiers.

Features

GrowthBook · 15 features

  • Approval FlowsRequire reviewer approval on flag changes. Enterprise.
  • Audit LogsFull change history. Exportable on Enterprise.
  • Dimensions & SlicingBreak down experiment results by user dimensions.
  • Edge SDK SupportCloudflare Workers, Lambda@Edge, Fastly, Akamai EdgeWorkers, Netlify Edge.
  • ExperimentsA/B/n with CUPED variance reduction + sequential testing.
  • Feature FlagsBoolean + string + number + JSON flags with targeting.
  • Feature Reviews (PR-style)Draft → review → approve flag changes.
  • Guardrail MetricsAuto-monitor key metrics during experiments.
  • Metric CatalogDefine + reuse metrics across experiments.
  • Multi-Armed BanditsAdaptive traffic allocation. Pro+.
  • Safe RolloutsGuarded gradual rollouts with automatic rollback.
  • SSO / SAMLEnterprise SSO for cloud + self-host EE.
  • Sticky BucketingUser stays in variant even after eligibility changes.
  • Visual A/B Test EditorNo-code DOM editor for web experiments. Pro+.
  • Warehouse NativeConnect your warehouse + run experiments against your events data.

Upstash · 12 features

  • Cron (via QStash)Scheduled HTTP callbacks on any interval.
  • Edge-ReadyNative for CF Workers, Vercel Edge, Deno, Bun.
  • Global DatabaseMulti-region Redis reads.
  • HTTP REST APIsEvery product has REST — works from edge runtimes.
  • QStashHTTP-based message queue + cron scheduler for webhooks.
  • QStash WebhooksOutgoing webhook delivery with retries + DLQ.
  • Read RegionsAdd read replicas in any region ($5/mo each).
  • @upstash/ratelimitRedis-backed rate limiter lib.
  • Upstash RedisServerless Redis with HTTP REST + RESP TCP.
  • Upstash SearchFull-text + semantic search engine.
  • Upstash VectorServerless vector DB with REST API. HNSW indexing.
  • Upstash WorkflowDurable workflow runtime built on QStash.

Developer interfaces

KindGrowthBookUpstash
SDKEdge SDKs (CF Workers / Lambda@Edge / Fastly / Akamai), growthbook-android, growthbook-flutter, growthbook-go, growthbook-java, growthbook-node, growthbook-php, growthbook-python, growthbook-ruby, growthbook-swift, sdk-javascript, sdk-reactupstash-redis / vector (Python), @upstash/redis / vector / qstash
RESTGrowthBook REST APIQStash REST API, Upstash Redis REST API, Upstash Vector REST
OTHERWebhooksRESP (TCP)
Staxly is an independent catalog of developer platforms. Outbound links to GrowthBook and Upstash are plain references to their official websites. Pricing is verified against vendor pages at publication time — reconfirm before buying.

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